The vantage point at Cerro Pachón, with its dark skies and high-altitude clarity, enhances the richness of the image.

Galaxies like our Milky Way grew through cascading mergers of smaller galaxies that began billions of years ago. The ancient ...

The galaxy's discovery challenges our understanding of how galaxies were formed in the early period after the Big Bang.

A full moon at its closest point to Earth: December opens this week with a full moon, dubbed the “Cold Moon,” that also ...

An international research team led by PD Dr. Florian Peissker at the University of Cologne has used the new observation ...

Samples collected from the asteroid Bennu are continuing the shed light on the origins of the solar system and how life ...

New high-contrast images from SPHERE show a stunning variety of debris disks shaped by collisions of tiny planet-building ...

Chile’s Atacama Desert is one of the darkest spots on Earth, a crown jewel for astronomers who flock to study the origins of ...

Sagittarius A* is the supermassive black hole sitting at the core of the Milky Way. It has a mass of 4.3 million times our ...

Bright stars and a lone bright planet are visible at dusk as December begins. The Summer Triangle of Vega, Altair and Deneb ...

If the moon looks a bit bigger, it’s not your imagination. The last supermoon of the year is making its appearance on ...

A technique called interferometry can greatly magnify tiny objects on the sky, and is powerful enough to reveal the surfaces ...